/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.recipes.handlers;

import java.util.List;

import net.minecraft.item.ItemStack;

import appeng.api.exceptions.MissingIngredientError;
import appeng.api.exceptions.RecipeError;
import appeng.api.exceptions.RegistrationError;
import appeng.api.recipes.ICraftHandler;
import appeng.api.recipes.IIngredient;
import appeng.recipes.RecipeHandler;
import appeng.util.Platform;
import cpw.mods.fml.common.registry.GameRegistry;

public class Smelt implements ICraftHandler, IWebsiteSerializer {

    private IIngredient in;
    private IIngredient out;

    @Override
    public void setup(final List<List<IIngredient>> input, final List<List<IIngredient>> output) throws RecipeError {
        if (input.size() == 1 && output.size() == 1) {
            final List<IIngredient> inputList = input.get(0);
            final List<IIngredient> outputList = output.get(0);
            if (inputList.size() == 1 && outputList.size() == 1) {
                this.in = inputList.get(0);
                this.out = outputList.get(0);
                return;
            }
        }
        throw new RecipeError("Smelting recipe can only have a single input and output.");
    }

    @Override
    public void register() throws RegistrationError, MissingIngredientError {
        if (this.in.getItemStack().getItem() == null) {
            throw new RegistrationError(this.in.toString() + ": Smelting Input is not a valid item.");
        }

        if (this.out.getItemStack().getItem() == null) {
            throw new RegistrationError(this.out.toString() + ": Smelting Output is not a valid item.");
        }

        GameRegistry.addSmelting(this.in.getItemStack(), this.out.getItemStack(), 0);
    }

    @Override
    public String getPattern(final RecipeHandler h) {
        return "smelt " + this.out.getQty() + '\n' + h.getName(this.out) + '\n' + h.getName(this.in);
    }

    @Override
    public boolean canCraft(final ItemStack reqOutput) throws RegistrationError, MissingIngredientError {
        return Platform.isSameItemPrecise(this.out.getItemStack(), reqOutput);
    }
}
